baber/WOPTO huggingface dataset:
Patent CA-2023591-A1 (CA)
Title: Convertible mask, ascot and visor garment and method of conversion therebetween
Inventor: HETZ MARY N
IPC: A41D23/00
Filed: 1990-08-20
Abstract: CONVERTIBLE MASK, ASCOT AND VISOR GARMENT   AND METHOD OF CONVERSION THEREBETWEEN                     Abstract of the Disclosure A garment selectively convertible between several different fashions, such as an ascot, a face and neck mask, and a visor, includes a body or bib portion having a protruding distal edge and opposing side edges.  The garment further includes a nose portion having a proximate edge opposite the distal edge, and a breathing vent portion of a foraminous fabric interconnecting the body and nose portions.  Two opposing side straps extend outwardly from each of the side edges to secure the garment on a wearer.  The side straps may each have a mating portion of a VELCRO hook and eye fabric fastener means attached thereto for releasably interconnecting the straps to secure the garment on a wearer and to provide incremental size adjustment of the garment. Alternatively, the side straps may be permanently interconnected by an elastic insert for resiliently securing the garment on a wearer.  The body, nose and strap portions of the garment are preferably formed by inner and outer layers of fabric, with the outer layer being of a water repellant or weather resistant fabric, and the inner layer being a soft fabric, such as a cotton fleece.         A method is also provided of converting such a garment between uses as an ascot, a face mask, and a visor.
Patent CA-2025684-A1 (CA)
Title: Antibodies and proteins
Inventor: WESTON PETER D
IPC: C07K16/00
Filed: 1990-09-19
Abstract: ABSTRACT        A monoclonal  antibody  and protein,  the antibody being  specific  for  N.  gonorrhoeae  and  capable  of binding  to  the  protein obtainable from N.  gonorrhoea, the  protein  having  a  molecular  weight  of  about  14 kD  as  determined  by  SDS-PAGE,  and  being  capable  of binding to antibody secreted by hybridoma NG 28 (ECACC 89  07  19  01);  the monoclonal  antibody and the protein are  useful  in  the  detection  of  Neisseria  gonorrhoeae and thus in diagnosis of clinical gonorrhoea.
Patent CA-2026004-A1 (CA)
IPC: A46B7/08
Filed: 1990-02-17
Abstract: ABSTRACT OF THE DISCLOSURE A  rotary  toothbrush  comprises  a  round brushhead having at least one projection, bristles on the roundbrush head,  a grip,  a shaft extended from the grip and eccentrically,  rotatably mounted to the round brushhead, whereby the toothbrush can perfectively clean the teeth.
Patent CA-2026259-A1 (CA)
Title: Support a crayon pour casque de securite
IPC: A42B3/04
Filed: 1990-09-26
Abstract: Dispositif de fixation d'un crayon ou autre objet de même nature sur un casque de sécurité du type comportant un fourreau  disposé  à  la base  du casque,  constituant un évidement qui s'étend de haut en bas  et  est  ouvert  à  ses  deux extrémités.   Le dispositif  est  constitué d'un  élément généralement plat mais formé d'une légère courbure lui permettant d'épouser  la  surface  du  casque  de  sécurité  sur laquelle il  repose.   Un crochet  est  formé  à même l'élément  permettant d'y introduire et de retenir le crayon ou l'objet de même nature.    L'élément plat comporte  une  languette  destinée  à  être introduite dans  l'évidement,   par  enclenchement  empêchant  la sortie de la languette une fois que cette dernière est en position dans l'évidement.
Patent CA-2027646-A1 (CA)
Title: Die cushion equipment for press
Inventor: IMANISHI SHOZO
IPC: B30B15/02
Filed: 1990-10-15
Abstract: ABSTRACT OF THE DISCLOSURE    Instead of the conventional type equipment, which consists of an air cylinder unit opened to atmospheric air, the present invention proposes a closed type hydraulic cylinder unit.  The lower chamber and the upper chamber of the closed type cylinder unit are communicated with each other, and the differential pressure is controlled.    Therefore, if the capability diagram of the press is kept in memory, the differential pressure between two chambers can be automatically con-trolled according to the desired curve.  Because die cushion capability during press operation can be changed and adjusted to the value suitable for the product to be processed, a wide variety of products can be produced in high quality and with high efficiency.
Patent CA-2028079-A1 (CA)
Inventor: MASUDA MASAYUKI
IPC: G01N19/08
Filed: 1990-10-19
Abstract: A double  seamer  includes  a chuck  and a lifter  plate  vertically  aligned with  each  other. Seaming rolls are set near the chuck.  When a can body wall with a lid is clamped between  said chuck and lifter plate, the spring pressure of a resilient member supporting the lifter plate is measured and if the measured value is less than a predetermined value,  the can body wall  is  judged to have been crushed.  The  seamer  is  included with  a ring  cam plate having a high spot and a low spot. The high spot is provided with a load bearing member and a load  cell  installed  underneath  the  load  bearing member  such that  the  spring pressure  is measured when a cam roll set at the lower end of a lifter plate support member is in contact with the  load bearing member.
Patent CA-2028325-A1 (CA)
Title: Vacuum pole sander
Inventor: REITER JOHN P
IPC: B24B55/10
Filed: 1990-10-23
Abstract: VACUUM POLE SANDER                 ABSTRACT OF THE DISCLOSURE      A sanding device for working with gypsum board (sheetrock) and which may be coupled to a vacuum cleaner to reduce the dust problem created when sanding the joint cement. The sanding device comprises a sanding head having a generally rectangular planar base with a pattern of pedestal formed thereon for supporting the abrasive material.  The base defines a vacuum plenum having ports therethrough for placing the channels between adjacent pedestals in fluid communication  with the vacuum chamber.  The head member is configured to attach by means of a universal joint to an elongated tubular pole whereby the workmen can manipulate the sanding head high on a wall or ceiling from a position in the floor.  The vacuum cleaner is connectable to the free end of the pole and a suitable hose connection is made between the hollow interior of the tubular pole to the vacuum chamber of the sanding head. °
Patent CA-2029153-A1 (CA)
Title: Process for the preparation of metallocenes
Inventor: RAZAVI ABBAS
IPC: C08F4/6392
Filed: 1990-11-01
Abstract: A transition metal salt and powder of the solid reaction product of the ligand with an alkyllithium are reacted at room temperature in a non-polar hydrocarbon. The metallocene thus obtained has a sufficient purity for subsequent use as catalyst for the polymerization of olefins without further purification.
Patent CA-2029554-A1 (CA)
Title: Adaptive multistandard video comb filter
Inventor: PERLMAN STUART S
IPC: H03H21/00
Filed: 1990-11-08
Abstract: RCA 85,616A                     Abstract of the Disclosure A multimode comb filter for comb filtering, e.g., NTSC and/or PAL video signals includes delay means for concurrently providing video signals representing first, second and third adjacent horizontal lines. First and second combining means coupled to the delay means provide alternate l-H comb filtered signals in both the NTSC and PAL modes. Control circuitry coupled to the delay means generates a control signal for adaptively selecting the one of the alternate l-H comb filtered signals or appropriate proportions of both alternate l-H comb filtered signals to form an output comb filtered signal. In the NTSC mode the control circuitry generates the control signal from sums of vertically aligned pairs of samples from said first and second lines and from said second and third lines. In the PAL mode the control signal is generated from alternating sums and differences of vertically aligned pairs of samples from said first and second lines and from said second and third lines.
Patent CA-2031625-A1 (CA)
Title: Video memory system with intermediate buffer
Inventor: YU CHIEN-CHIH
IPC: G09G5/39
Filed: 1990-12-06
Abstract: ABSTRACT OF THE DISCLOSURE         A video memory system is disclosed including a video memory, an intermediate buffer, a video display control unit (VDCU), and a video processing means.  The intermediate buffer is disposed between an external CPU and the video memory to intercept the address, data, and read/write signals from the CPU.  For read operations, the intermediate buffer relays the read and address signals to the video memory and the data read therefrom travels through the buffer to arrive at the CPU.  For write operations, the intermediate buffer stores the address and data signals from the CPU.   The data is later written into the video memory in response to a time slot reference signal.
Patent CA-2031827-A1 (CA)
Inventor: TAMARU SHINJI
IPC: B29C47/06
Filed: 1990-12-07
Abstract: A process for producing a multilayer polytetrafluoro-ethylene porous membrane comprising at least two layers having different average pore diameters is disclosed, the process comprising the steps of: filling the inside of a cylinder of an extruding mold distinctively with at least two kinds of polytetrafluoroethylene fine powders with each of which a liquid lubricant has been mixed; subsequently paste-extruding the powders to obtain a multilayer extrudate, which is then optionally rolled; and then stretching the extrudate or the rolled extrudate at least monoaxially after the liquid lubricant is removed therefrom or without removing the liquid lubricant.
Patent CA-2032665-A1 (CA)
Title: Anchor device for securing rock bolts
Inventor: MRAZ DENNIS
IPC: F16B13/14
Filed: 1990-12-19
Abstract: ABSTRACT OF THE DISCLOSURE       An anchor device for securing a rock bolt in a borehole of predetermined diameter includes an elongated plastic cartridge having a first insertable end and a second end, a side wall extending between the ends, and stiffening ribs integrally formed in the sidewall for stiffening the cartridge to permit insertion thereof into the borehole.
Patent CA-2034407-A1 (CA)
Title: Chromium coating for titanium oxidation protection
Inventor: MCKEE DOUGLAS W
IPC: C23C30/00
Filed: 1991-01-17
Abstract: CHROMIUM COATINGS FOR TITANIUM                    OXIDATION PROTECTION                           ABSTRACT           A coating comprised of a continuous film of about 1 to 10 microns of condensed high energy atoms of chromium is found to remain adherent on titanium substrates during repeated thermal cycling while providing substantial oxidation protection up to about 900°C.  A film of a ductile chromium alloy that forms a continuous chromium oxide scale can be used instead of the chromium film.  The film is deposited by physical vapor deposition processes depositing atoms having a high kinetic energy.
Patent CA-2036905-A1 (CA)
Title: Condensed thiazole compounds, their production and use
Inventor: AONO TETSUYA
IPC: C07D513/04
Filed: 1991-02-22
Abstract: A novel condensed thiazole derivative of the formula (I):   (see formula I) wherein A is a single bond or CH2; R1 is hydrogen atom, or an optionally substituted aliphatic, carboxylic acyl or sulfonic aryl group; and R2 is hydrogen atom, or an optionally substituted aromatic cyclic or aliphatic group or a salt thereof. The compound [I] is useful for medicines for preventing and treating various diseases such as cancer, arterial sclerosis, hepatopathy, cerebrovascular diseases, inflammatory and the like. A process of the compound of the formula (I) or a salt thereof and a pharmaceutical composition comprising the compound of the formula (I) or a pharmaceutically acceptable salt thereof as an active component are also disclosed.
Patent CA-2037701-A1 (CA)
Title: Mechanism and method for laterally aligning an accumulation of sheets
Inventor: MILLER CARL A
IPC: B65H1/04
Filed: 1991-03-07
Abstract: An apparatus for producing items in selected configurations and a system and method for controlling the same. More particularly, an apparatus for producing mail pieces and a system and method for controlling it to produce mail pieces in a variety of configurations are disclosed.      The apparatus includes a laser printer and folding sealing apparatus controlled by a data processor. The folder sealer apparatus combines sheets printed by the laser printer with pre-printed sheets and envelope forms, which also may be printed by the laser printer or may be windowed envelopes, folds the sheets as necessary and folds and seals the envelope form about the folded sheets to produce a mail piece. A user inputs a configuration for the mail piece which is translated by the data processor into a data structure and transmitted to the controller of the folder sealer apparatus. The controller controls devices comprised in the laser printer and the folder sealer by executing state routines in accordance with the data structure to produce the mail piece in the defined configuration.      Concurrently the data processor transmits text from an output file to the laser printer for printing on printed sheets and envelope forms. The data processor also controls the laser printer to print an address for the mail piece either on an envelope form or on a printed sheet in a position where it will be visible through the envelope.      Thus the apparatus is controlled to process an output file stored in the data processor into a mail run having a selected configuration. A mechanism and method for laterally aligning an accumulation of sheets is also disclosed, together with a cantilever support for the aligning mechanism.
Patent CA-2039896-A1 (CA)
Inventor: FUKUMOTO HIROSHI
IPC: B41J13/02
Filed: 1991-04-05
Abstract: A thermal printer comprises: a platen roller on which a recording sheet is wound in such a manner that said recording sheet is laid over an angular part of the cylindrical wall of said platen roller, said plate roller conveying said recording sheet in a predetermined direction;  a thermal head pushed against said platen roller, to heat heating points selected for transferring ink from an ink sheet onto said recording sheet; sheet pulling means for pulling said recording sheet in said predetermined direction; a pinch roller on the sheet supplying side,  for pushing said recording sheet against said platen roller with a predetermined force of depression so that said recording sheet is wound on said platen roller;  and pinch roller rotating means provided at at least one end of said pinch roller, for rotating said pinch roller at a peripheral speed lower than that o, said platen roller.
Patent CA-2042540-A1 (CA)
Title: Apparatus and method for loading boat trailers on truck beds
Inventor: MURRILL ROBERT E
IPC: B60P3/10
Filed: 1991-05-14
Abstract: ABSTRACT OF THE DISCLOSURE    An apparatus and related method for loading a boat and corresponding boat trailer to which the boat is attached onto the bed of a standard pickup truck.  The invention comprises a pair of ramps, each having one end placed on the rear edge of the truck bed and the other end being placed on the ground; a loading frame securely attached to the bed;  a winch firmly secured to the loading frame and having a winch cable attached at one end thereto,  the winch cable being attached to the trailer; a guide channel for directioning and providing support for the winch cable and tongue of the trailer as it is pulled forwardly and upwardly by the winch; and a plurality of lifting arms for engaging and lifting the axle of the trailer to maintain the boat and trailer in a substantially horizontal position as the winch pulls the trailer along the guide channel.
Patent CA-2045325-A1 (CA)
Title: Carboxylic acid ester compound, liquid crystal compound, liquid crystal composition, liquid crystal element and light modulation method
Inventor: NISHIYAMA SHINICHI
IPC: C09K19/32
Filed: 1991-06-24
Abstract: ABSTRACT    The liquid crystal element of the invention comprises a cell and two polarizing plates, each plate being provided on each outer side of the cell.  The cell is composed of two transparent substrates so arranged as to face each other leaving a gap therebetween and a transparent electrode provided on the inner surface of each substrate, the gap being filled with a liquid crystal material.  In the liquid crystal element, the two polarizing plates are so arranged that an angle formed by polarization planes of the polarizing plates is in the range of 70°-110°, and the cell filled with the liquid crystal material is arranged between the polarizing plates at an angle of from +10° to -10° relative to the position of the cell at which the transmitted light becomes the darkest or the brightest.          The liquid crystal material filled in the liquid crystal element is represented by the following formula:       [III]   wherein symbols R, X, Y, A, B and R* have specific meanings.  The liquid crystal element can be driven by applying an electric field thereto.  The present invention also provides novel carboxylic acid ester compounds favorably employed as liquid crystal compounds used for the above-mentioned liquid crystal element and for light modulation methods.
Patent CA-2047486-A1 (CA)
Title: Semiconductor device and method for manufacturing the same
Inventor: KATAYAMA SHIGERU
IPC: H01L23/057
Filed: 1991-07-19
Abstract: This invention relates to a package construction of a semiconductor device and provides a hollow package for holding a semiconductor device in which a vapour-impermeable moistureproof plate is embedded in a bottom surface thereof or at a position inwardly of the bottom surface to provide increased moisture impermeability of the package.
Patent CA-2047757-A1 (CA)
Title: Dispositif pour le stockage de fibres
Inventor: JENKINS PETER D
IPC: B65H54/80
Filed: 1990-03-23
Abstract: Le système de stockage de fibres optiques décrit comprend un récipient dans lequel des spires de fibre (4) sont enroulées de façon à former un câble sensiblement hélicoïdal, le diamètre des spires et du récipient étant conçu de sorte que les spires de fibre sont maintenues dans leur position grâce à leur résilience naturelle, en exerçant une pression vers l'extérieur contre la paroi intérieure du récipient (5). La paroi intérieure du récipient peut être recouverte d'un revêtement intérieur contribuant au positionnement des spires. Dans un autre mode de réalisation, un élément gonflable disposé à l'intérieur des spires est gonflé de façon à exercer sur elles une pression contribuant à la stabilité de leur position. Une source de gaz peut être reliée au récipient pour permettre la propulsion de la fibre hors du récipient jusque dans un conduit, ou le récipient lui-même peut être pressurisé.
Patent CA-2047814-A1 (CA)
Title: Diffraction efficiency control in holographic elements
Inventor: MOSS GAYLORD E
IPC: G03H1/04
Filed: 1991-07-24
Abstract: DIFFRACTION EFFICIENCY CONTROL     IN HOLOGRAPHIC ELEMENTS                 ABSTRACT OF THE DISCLOSURE       A method for precisely controlling the diffraction efficiency  of  a  hologram  including  the  steps  of  (a) defining  a  mask  having  opaque  and  transparent  areas wherein the proportion of the opaque areas relative to the transparent areas  is  selected  pursuant to  the desired diffraction efficiency, the opaque and transparent areas being sufficiently small so as to have little noticeable effect when the resulting hologram is played back,  (b) applying the mask to a hologram recording medium,  (c) exposing the hologram recording medium to non-coherent illumination whereby only the areas exposed by the aper-tures are exposed to the non-coherent illumination,  (d) removing the mask, and (e) exposing the hologram recording medium to hologram forming illumination at an effective exposure that yields maximum hologram efficiency.   Such effective exposure can be in the saturated region of the efficiency vs.  exposure curve wherein changes in effi-ciency as a function of parameter variation are small.
Patent CA-2049095-A1 (CA)
Title: Browning composition for microwave cooking
Inventor: HSU CHERN J
IPC: A23L1/00
Filed: 1991-08-13
Abstract: ABSTRACT    This invention provides a browning agent for produc-ing a browned surface on food products having a dough crust upon heating in a microwave oven.  The browning composition is produced by spray drying an aqueous solution containing reducing sugar and milk protein r preferably an aqueous solution of milk solids which has been subjected to enzymatic hydrolysis to hydrolyze substantially all of the lactose in the milk solids solution to glucose and galactose, to form Amadori rearrangement compounds in the spray dried powder.  The spray dried powder is reconstituted with water to form a solution which is coated onto the dough crust of the food product, such as fruit pie or meat pie.  Upon heating in a microwave oven, the coated dough crust develops a desirable golden brown color.  If desired, a salt selected from the group of sodium bicarbonate, trisodium phosphate and disodium phosphate may be included in the coating composition to enhance development of the brown color upon microwave heating.
Patent CA-2049480-A1 (CA)
Title: Low profile ventilation fan
Inventor: MARTENS HENRY H
IPC: F04D29/66
Filed: 1991-08-19
Abstract: ABSTRACT  A low-profile ventilation fan is disclosed having a housing with a partition in the housing dividing it into a spiral-shaped first chamber and a second chamber.  The first chamber and second chamber communicate through an opening that allows air flow through the fan.  A rotor having an axle and radial blades is oriented in the first chamber such that the rotor axle is substantially perpendicular to a cross-section through the opening.  The first chamber has an air flow outlet that is substantially perpendicular to the axle and substantially tangential to the rotational path of the rotor blades.  An air flow inlet in the second chamber is substantially perpendicular to, and intersects, the axis of the axle.  The air flow inlet and  air flow outlet are aligned so that inlet air flow and outlet air flow are in the same direction.
Patent CA-2049760-A1 (CA)
Inventor: MENDENHALL VON T
IPC: A23L3/36
Filed: 1991-08-23
Abstract: ABSTRACT OF THE DISCLOSURE     A method of preserving raw food products, such as beef,  poultry and fish,  is provided.   The method comprises the steps of simultaneously exposing all surfaces of the food product to a high temperature preferably between approximately 700°C-1200°C for a time  period  sufficient  to  effectively  denature proteins and destroy microorganisms on the entire surface of the product to a substantially uniform depth  of  less  than  about  4.0  mm.    After  heat pasteurization of the product surface, the product is rapidly cooled at a relatively low temperature of about minus 50°C for approximately two minutes.  The product  is then vacuum packaged  and  stored  in  a refrigerated environment.  Neat products preserved in accordance with the method of this invention enjoy a refrigerated shelf life of up to 120 days without surface  discoloration or unacceptable  spoilage by microorganisms.  During the heating step, the product also may be placed on a grill to produce an appetizing grill pattern on the product to facilitate cooking in a microwave oven after storage.
Patent CA-2058439-A1 (CA)
Inventor: CASTILLE JEAN-PAUL
IPC: H04M11/08
Filed: 1990-05-18
Abstract: 2058439 9015497 PCTABS00102 L'invention a pour objet un procédé et des dispositifs pour transmettre à des abonnés branchés sur un réseau de télécommunication numérique à grand débit, à partir d'un serveur central, des informations enregistrées dans une collection de disques numériques. Un dispositif selon l'invention comporte un serveur central (1) connecté par une interface (5) à un réseau de télécommunication numérique (2) sur lequel sont branchés des postes d'abonnés (3). Le centre serveur comporte un ordinateur central (4), un magasin de disques numériques (7), des platines de lecture optique des disques 101, 102... 10n et des moyens de transfert des disques entre le magasin et les platines de lecture, notamment un convoyeur (8) et un dispositif de manutention (50) commandés par un automate (6) lui-même commandé par l'ordinateur central. Une application est la diffusion à des abonnés de programmes sonores personnalisés choisis dans un répertoire très étendu.